<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<ul>
	<li><a href="/index">首页</a></li>
	<c:if test="${isLogin}"><li><a href="/dashboard">控制面板</a></li></c:if>
	<li><a href="/help">使用帮助</a></li>
	<c:if test="${isLogin}"><li><a href="/logout">退出</a></li></c:if>
</ul>